Daily question, August 9, 2026
Politics
Does a balance of power between rival states prevent war, or does it only make the eventual war larger?
Source: A standing question in balance-of-power theory
Alliances built to deter conflict have also been the mechanism that widened it once conflict began.
Mathematics
Are there infinitely many primes p where p plus 2 is also prime? Bounded gaps between consecutive primes are proved; the gap of exactly two is not.
Source: A standing question about twin primes
Zhang's 2013 bound and later sieve improvements narrowed gaps enormously but stopped short of closing the case of two.
Physics
Several constants of nature sit in a narrow range that allows atoms and stars to form. Does that need explaining, or only look special because we exist?
Source: A standing question about fine tuning
Explanations range from a multiverse of varied constants to the idea that the question itself is not well posed.
Psychology
Freud's theory explains almost any behavior after the fact; Popper called that a weakness, not a strength. Does explanation need to predict, too?
Source: Popper's falsifiability challenge to psychoanalysis
If a theory fits every outcome, it may be doing less scientific work than it looks like it's doing.
Philosophy
If a god is both all powerful and perfectly good, why does undeserved suffering exist?
Source: A standing question about the problem of evil
Every reply seems to give up one of three claims: God's power, God's goodness, or the reality of the suffering.
Biology
Is an ecosystem a bounded, integrated system with its own properties, or a label drawn loosely over organisms and processes that barely cohere?
Source: A standing question about ecosystems
Bears on whether restoring or protecting 'an ecosystem' is a coherent goal or a convenient fiction for policy.
